Protective fighting boot



FIG. 1 is a front, top, and left side perspective view of a protective fighting boot showing my new design.

FIG. 2 is a rear, bottom, and right side perspective view thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a protective fighting boot, substantially as shown. 